| package org.eclipse.stem.solvers.fd.impl; |
| |
| /******************************************************************************* |
| * Copyright (c) 2009 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| |
| |
| |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.core.runtime.jobs.Job; |
| import org.eclipse.stem.core.model.STEMTime; |
| |
| /** |
| * A job for the finite difference solver |
| * |
| */ |
| public class FdJob extends Job { |
| |
| public FdJob(String n, short thread, FiniteDifferenceImpl s) { |
| super(n); |
| this.threadnum = thread; |
| this.solver = s; |
| } |
| |
| public static int COMPUTE_DELTAS = 0; |
| public static int CHECK_DELTAS = 1; |
| public static int APPLY_DELTAS = 2; |
| |
| /** |
| * this factor determines any change to the step size. 1.0 means no change (default for FD) |
| */ |
| protected double adjustmentFactor = 1; |
| |
| protected double progress; |
| protected double t; |
| protected FiniteDifferenceImpl solver; |
| |
| protected STEMTime time; |
| long timeDelta; |
| int cycle; |
| short threadnum; |
| int step; |
| |
| public double getProgress() { |
| return this.progress; |
| } |
| public void setProgress(double p) { |
| this.progress = p; |
| } |
| protected IStatus run(final IProgressMonitor monitor) { |
| IStatus status = Status.CANCEL_STATUS; |
| |
| if (step == COMPUTE_DELTAS) { |
| solver.computeDeltasStep(time,timeDelta,threadnum); |
| status = new Status(IStatus.OK, "unknownId", ""); |
| } else if (step == CHECK_DELTAS) { |
| adjustmentFactor = solver.checkDeltasStep(threadnum); |
| status = new Status(IStatus.OK, "unknownId", ""); |
| } else if (step == APPLY_DELTAS) { |
| solver.applyDeltasStep(threadnum); |
| status = new Status(IStatus.OK, "unknownId", ""); |
| } |
| |
| return status; |
| } |
| } |